linux-kernel - [PATCH/RFC v6 07/36] Documentation: leds: Add description of brightness

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Date:	Thu, 20 Aug 2015 16:43:37 +0200
From:	Jacek Anaszewski <j.anaszewski@...sung.com>
To:	linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Jacek Anaszewski <j.anaszewski@...sung.com>,
	Andrew Lunn <andrew@...n.ch>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Pavel Machek <pavel@....cz>,
	Stas Sergeev <stsp@...rs.sourceforge.net>
Subject: [PATCH/RFC v6 07/36] Documentation: leds: Add description of
 brightness_set* ops

This patch adds description of brightness_set and a recently introduced
brightness_set_nonblocking op.

Signed-off-by: Jacek Anaszewski <j.anaszewski@...sung.com>
Cc: Andrew Lunn <andrew@...n.ch>
Cc: Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: Pavel Machek <pavel@....cz>
Cc: Stas Sergeev <stsp@...rs.sourceforge.net>
---
 Documentation/leds/leds-class.txt |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/leds/leds-class.txt b/Documentation/leds/leds-class.txt
index 62261c0..c36a6b8 100644
--- a/Documentation/leds/leds-class.txt
+++ b/Documentation/leds/leds-class.txt
@@ -52,6 +52,17 @@ above leaves scope for further attributes should they be needed. If sections
 of the name don't apply, just leave that section blank.
 
 
+Brightness setting callbacks
+============================
+
+LED subsystem core exposes two function pointers for setting brightness:
+
+    - brightness_set : Intended for drivers that set brightness in
+		a non-blocking way,
+    - brightness_set_blocking : Intended for drivers that either sleep or
+		use delays while setting brightness.
+
+
 Hardware accelerated blink of LEDs
 ==================================
 
-- 
1.7.9.5

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